#define ERROR                            1
#define OR                               2
#define XOR                              3
#define AND                              4
#define NOT                              5
#define NEAR                             6
#define ADJ                              7
#define LOVE                             8
#define HATE                             9
#define HATE_AFTER_AND                  10
#define SYNONYM                         11
#define TERM                            12
#define GROUP_TERM                      13
#define PHR_TERM                        14
#define WILD_TERM                       15
#define PARTIAL_TERM                    16
#define BOOLEAN_FILTER                  17
#define RANGE                           18
#define QUOTE                           19
#define BRA                             20
#define KET                             21
#define UNBROKEN_WORDS                  22
#define EMPTY_GROUP_OK                  23
